Chess South Africa Ratings Database

PLAYER PAGE

Personal

Erasmus, J (Johannes)

Chess SA id

1830319762

FIDE id

Date of birth

1983-11-06 (Adult)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

CPA

Chess SA registered

Last active game

2025-10-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1233.5	1210.1	1251.3	1200
Raw rating	1233.5	1210.1	1251.3	1200
Weighted rating	1208.1	1200.8	1215.4	1200
Weighted performance	0	0	0	0
Floor	733.5	710.1	751.3	700
K-factor	36	36	36	36
Min/Max rating change allowed	158.1	163.5	154.1	165.8
Highest rating	1233.5 2025-11-01	1210.1 2025-11-01	1251.3 2025-08-01	1200 2025-06-01
Highest raw rating	1233.5 2025-11-01	1210.1 2025-11-01	1251.3 2025-08-01	1200 2025-06-01
Highest weighted rating	1208.1 2025-11-01	1200.8 2025-11-01	1204.1 2025-08-01	1200 2025-06-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1233.5	1210.1	1251.3	1200
Analysis
Rating	1233.5	1210.1	1251.3	1200
Raw rating	1233.5	1210.1	1251.3	1200
Weighted rating	1208.1	1200.8	1215.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	733.5	710.1	751.3	700
Max/Min rating change allowed	158.1	163.5	154.1	165.8
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1233.5	1210.1	1251.3	1200
New weighted rating	1210.4	1201.6	1218.8	1200
New weighted performance	0	0	0	0
Temp new rating	1233.5	1210.1	1251.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1233.5	1210.1	1251.3	1200
New K-factor	36	36	36	36
New floor	733.5	710.1	751.3	700

Item	Main	Standard	Rapid
	0	0	0
	23	10	13
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	23	10	13

Games since
	Main 23	Standard 10		Rapid 13		Blitz 0
Gender	Male
Age group	Adult
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	23	11	47.83	-18.5	1268.4	1249.9
Standard	10	4	40	-85	1280.8	1195.8
Rapid	13	7	53.85	32.7	1258.8	1291.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	23	11	47.83	-18.5	1268.4	1249.9
Standard	10	4	40	-85	1280.8	1195.8
Rapid	13	7	53.85	32.7	1258.8	1291.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1233.5	1210.1	1251.3	1200
2025-09-30	1224.6	1200	1251.3	1200
2025-09-01	1224.6	1200	1251.3	1200
2025-08-01	1224.6	1200	1251.3	1200
2025-07-01	1200	1200	1200	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Club Championship 2025 (C)	2025-10-25	2025-10-26	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
2	4th Curro Durbanville Rapid Open 2025 (Intermediate)	2025-07-19	2025-07-19	Rapid	Cape Town (WCT)	7	7	4	Yes	Analysis
3	West Coast And Mykonos Open 2025 (Open)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
4	Laerskool Welgemoed Rapid 2025 (Parent)	2025-02-15	2025-02-15	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Club Championship 2025 (C)	2025-10-25	2025-10-26	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
2	4th Curro Durbanville Rapid Open 2025 (Intermediate)	2025-07-19	2025-07-19	Rapid	Cape Town (WCT)	7	7	4	Yes	Analysis
3	West Coast And Mykonos Open 2025 (Open)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
4	Laerskool Welgemoed Rapid 2025 (Parent)	2025-02-15	2025-02-15	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament 4th Curro Durbanville Rapid Open 2025				Tournament 4th Curro Durbanville Rapid Open 2025
		date 2025-07-19	rnd 5	type Rapid	result 1	date 2025-07-19	rnd 6	type Rapid	result 1
		Opponent Black, C (Caleb)				Opponent Waldeck, A (Aaron)
2	2	Tournament 4th Curro Durbanville Rapid Open 2025				Tournament 4th Curro Durbanville Rapid Open 2025
		date 2025-07-19	rnd 2	type Rapid	result 1	date 2025-07-19	rnd 3	type Rapid	result 1
		Opponent Jelwana, L (Liyabona)				Opponent Du Plessis, B (Bennie)
3	2	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 5	type Rapid	result 1	date 2025-02-15	rnd 6	type Rapid	result 1
		Opponent Johnson, B (Brian David Sidney)				Opponent Akemdien, M (Mogamat)

#	Games	Start				End
1	1	Tournament West Coast And Mykonos Open 2025				Tournament West Coast And Mykonos Open 2025
		date 2025-05-04	rnd 5	type Standard	result 1	date 2025-05-04	rnd 5	type Standard	result 1
		Opponent Gulwa, L (Lukhanyo)				Opponent Gulwa, L (Lukhanyo)
2	1	Tournament West Coast And Mykonos Open 2025				Tournament West Coast And Mykonos Open 2025
		date 2025-05-03	rnd 3	type Standard	result 1	date 2025-05-03	rnd 3	type Standard	result 1
		Opponent Nabo, B (Banele)				Opponent Nabo, B (Banele)

#	Games	Start				End
1	2	Tournament 4th Curro Durbanville Rapid Open 2025				Tournament 4th Curro Durbanville Rapid Open 2025
		date 2025-07-19	rnd 5	type Rapid	result 1	date 2025-07-19	rnd 6	type Rapid	result 1
		Opponent Black, C (Caleb)				Opponent Waldeck, A (Aaron)
2	2	Tournament 4th Curro Durbanville Rapid Open 2025				Tournament 4th Curro Durbanville Rapid Open 2025
		date 2025-07-19	rnd 2	type Rapid	result 1	date 2025-07-19	rnd 3	type Rapid	result 1
		Opponent Jelwana, L (Liyabona)				Opponent Du Plessis, B (Bennie)
3	2	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 5	type Rapid	result 1	date 2025-02-15	rnd 6	type Rapid	result 1
		Opponent Johnson, B (Brian David Sidney)				Opponent Akemdien, M (Mogamat)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 4th Curro Durbanville Rapid Open 2025				Tournament 4th Curro Durbanville Rapid Open 2025
		date 2025-07-19	rnd 5	type Rapid	result 1	date 2025-07-19	rnd 6	type Rapid	result 1
		Opponent Black, C (Caleb)				Opponent Waldeck, A (Aaron)
2	2	Tournament 4th Curro Durbanville Rapid Open 2025				Tournament 4th Curro Durbanville Rapid Open 2025
		date 2025-07-19	rnd 2	type Rapid	result 1	date 2025-07-19	rnd 3	type Rapid	result 1
		Opponent Jelwana, L (Liyabona)				Opponent Du Plessis, B (Bennie)
3	2	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 5	type Rapid	result 1	date 2025-02-15	rnd 6	type Rapid	result 1
		Opponent Johnson, B (Brian David Sidney)				Opponent Akemdien, M (Mogamat)

#	Games	Start				End
1	1	Tournament West Coast And Mykonos Open 2025				Tournament West Coast And Mykonos Open 2025
		date 2025-05-04	rnd 5	type Standard	result 1	date 2025-05-04	rnd 5	type Standard	result 1
		Opponent Gulwa, L (Lukhanyo)				Opponent Gulwa, L (Lukhanyo)
2	1	Tournament West Coast And Mykonos Open 2025				Tournament West Coast And Mykonos Open 2025
		date 2025-05-03	rnd 3	type Standard	result 1	date 2025-05-03	rnd 3	type Standard	result 1
		Opponent Nabo, B (Banele)				Opponent Nabo, B (Banele)

#	Games	Start				End
1	2	Tournament 4th Curro Durbanville Rapid Open 2025				Tournament 4th Curro Durbanville Rapid Open 2025
		date 2025-07-19	rnd 5	type Rapid	result 1	date 2025-07-19	rnd 6	type Rapid	result 1
		Opponent Black, C (Caleb)				Opponent Waldeck, A (Aaron)
2	2	Tournament 4th Curro Durbanville Rapid Open 2025				Tournament 4th Curro Durbanville Rapid Open 2025
		date 2025-07-19	rnd 2	type Rapid	result 1	date 2025-07-19	rnd 3	type Rapid	result 1
		Opponent Jelwana, L (Liyabona)				Opponent Du Plessis, B (Bennie)
3	2	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 5	type Rapid	result 1	date 2025-02-15	rnd 6	type Rapid	result 1
		Opponent Johnson, B (Brian David Sidney)				Opponent Akemdien, M (Mogamat)

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Du Plessis ,B (Bennie)	2	1	0	0	0	0	2	1	0	0	0	0
1	Du Plessis ,B (Bennie)	2	1245.6	1245.6	0	0	0	2	1291.8	1245.6	0	0	0
2	Lu ,DTX (Daniel Ting Xu)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Lu ,DTX (Daniel Ting Xu)	1	1353.7	928.7	1	1346.7	928.7	0	0	0	0	0	0
3	Huysamen ,A (Albertus)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Huysamen ,A (Albertus)	1	1262	837	1	1165.8	837	0	0	0	0	0	0
4	Gulwa ,L (Lukhanyo)	1	1	425	1	1	425	0	0	0	0	0	0
4	Gulwa ,L (Lukhanyo)	1	1126.5	1551.5	1	1200	1551.5	0	0	0	0	0	0
5	Shelton ,B (Brian)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Shelton ,B (Brian)	1	1447.4	1022.4	1	1447.4	1022.4	0	0	0	0	0	0
6	Diedericks ,C (Cayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Diedericks ,C (Cayden)	1	1510.9	1085.9	1	1455.7	1085.9	0	0	0	0	0	0
7	Danster ,EJJ (Emil Jacques Jacobus)	1	1	425	1	1	425	0	0	0	0	0	0
7	Danster ,EJJ (Emil Jacques Jacobus)	1	1337.2	1762.2	1	1331	1762.2	0	0	0	0	0	0
8	Tshamlambo ,L (Lutho)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Tshamlambo ,L (Lutho)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	King ,W (Wesley)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	King ,W (Wesley)	1	1290.7	865.7	1	1200	865.7	0	0	0	0	0	0
10	Nabo ,B (Banele)	1	1	425	1	1	425	0	0	0	0	0	0
10	Nabo ,B (Banele)	1	1197.4	1622.4	1	1200	1622.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Erasmus, J (Johannes)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms